St. Lawrence River. Surface water supply of United States, 1932: pt. 4, St. Lawrence River basin; Nathan C. Grover, chief hydraulic engineer, C. L. Batchelder, H. E. Grosbach, A. W. Harrington, H. B. Kinnison, Lasley Lee, J. H. Morgan, and S. B. Soute, district engineers.

Tools